chrome/browser/ui/views/autofill/expanding_textfield.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_VIEWS_AUTOFILL_EXPANDING_TEXTFIELD_H_
   6 #define CHROME_BROWSER_UI_VIEWS_AUTOFILL_EXPANDING_TEXTFIELD_H_
   7
   8 #include <list>
   9
  10 #include "base/strings/string16.h"
  11 #include "chrome/browser/ui/views/autofill/decorated_textfield.h"
  12 #include "ui/views/controls/textfield/textfield_controller.h"
  13 #include "ui/views/view.h"
  14
  15 namespace gfx {
  16 class Image;
  17 }
  18
  19 namespace autofill {
  20
  21 // A view that houses a stack of textfields. The stack grows as needed.
  22 class ExpandingTextfield : public views::View,
  23                            public views::TextfieldController {
  24  public:
  25   static const char kViewClassName[];
  26
  27   // When |multiline| is false, the view acts pretty much like a normal
  28   // DecoratedTextfield.
  29   ExpandingTextfield(const base::string16& default_value,
  30                      const base::string16& placeholder,
  31                      bool multiline,
  32                      views::TextfieldController* controller);
  33   virtual ~ExpandingTextfield();
  34
  35   // Sets the contents of the textfields. Textfield n is set to the nth line
  36   // of |text|, as separated by line returns.
  37   void SetText(const base::string16& text);
  38   // Concatenates text contents of all textfields (with line returns as the
  39   // joining character) and returns it.
  40   base::string16 GetText();
  41
  42   // Sets whether to indicate the first textfield has invalid content. Latter
  43   // textfields are always valid.
  44   void SetInvalid(bool invalid);
  45   bool invalid() {
  46     return textfields_.front()->invalid();
  47   }
  48
  49   // Like validity, this only cares about the first textfield.
  50   void SetEditable(bool editable);
  51   bool editable() {
  52     return textfields_.front()->editable();
  53   }
  54
  55   // DecoratedTextfield pass-throughs.
  56   void SetDefaultWidthInCharacters(int chars);
  57   void SetPlaceholderText(const base::string16& placeholder);
  58   void SetIcon(const gfx::Image& icon);
  59   void SetTooltipIcon(const base::string16& text);
  60
  61   // View implementation.
  62   virtual const char* GetClassName() const OVERRIDE;
  63   using views::View::needs_layout;
  64
  65   // TextfieldController implementation.
  66   virtual void ContentsChanged(views::Textfield* sender,
  67                                const base::string16& new_contents) OVERRIDE;
  68   virtual bool HandleKeyEvent(views::Textfield* sender,
  69                               const ui::KeyEvent& key_event) OVERRIDE;
  70   virtual bool HandleMouseEvent(views::Textfield* sender,
  71                                 const ui::MouseEvent& mouse_event) OVERRIDE;
  72
  73  private:
  74   // Calls a given function on every textfield.
  75   template <typename BaseType, typename Param>
  76   void ForEachTextfield(void (BaseType::* f)(Param), Param p) const;
  77
  78   // The list of textfields. Owned as child views.
  79   std::list<DecoratedTextfield*> textfields_;
  80
  81   TextfieldController* controller_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(ExpandingTextfield);
  84 };
  85
  86 }  // namespace autofill
  87
  88 #endif  // CHROME_BROWSER_UI_VIEWS_AUTOFILL_EXPANDING_TEXTFIELD_H_